package secondStage.part6.方法引用类.引用对象的实例方法;

/**
 * @ClassName: [Printer]
 * @Description:
 * @Author: [黄劲松]
 * @CreateDate: [2021-04-14]
 * @Version: [v1.0]
 */
public interface Printer {
    void printUpperCase(String s);
}
